github action: update versions

Author: mcuadros

.github/workflows/test.yml

@@ -4,7 +4,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.12.x, 1.13.x, 1.14.x]
+        go-version: [1.14.x, 1.15.x, 1.16.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -15,4 +15,4 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Test
-      run: go test -v ./...
+      run: go test ./...